The Book of Prayer - Travellers
وَحَدَّثَنِي مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا إِسْمَاعِيلُ، عَنْ قَيْسٍ، عَنْ عُقْبَةَ بْنِ عَامِرٍ، قَالَ قَالَ لِي رَسُولُ اللَّهِ صلى الله عليه وسلم " أُنْزِلَ - أَوْ أُنْزِلَتْ - عَلَىَّ آيَاتٌ لَمْ يُرَ مِثْلُهُنَّ قَطُّ الْمُعَوِّذَتَيْنِ " .Uqba b. 'Amir reported:The Messenger of Allah (ﷺ) said to me: There have been sent down to me verses the like of which had never been seen before. They are the Mu'awwadhatain
From Sahih Muslim, whose reports the scholars accept as authentic.